System Validation Engineer, Wireless Connectivity

Quest Global • Sunnyvale, CA

1d

About The Position

Join the Wireless Connectivity System Validation team supporting AR and wearable products. You’ll validate RF design and product certification across Cellular, Wi-Fi, Bluetooth, GPS, and NFC, and drive automation, data analysis, and reporting. This role requires strong technical skills, effective communication, and the ability to manage complex stakeholder relationships.

Requirements

• Bachelor or Master of Science degree in Electrical Engineering or Computer Science or equivalent work experience
• 3-5 years of relevant professional experience, specifically in the areas of cellular connectivity and GPS navigation systems in the consumer electronics industry.
• Deep understanding of cellular technologies: GSM, UMTS, LTE, 5G NR (including SA/NSA modes).
• Hands-on experience with carrier aggregation, VoLTE, VoWiFi, and eSIM testing.
• Familiarity with SIM card profiles, APN configuration, and network registration procedures.
• Knowledge of RF performance metrics: RSSI, RSRP, RSRQ, SINR, throughput, handover, and call setup.
• Experience with field testing, drive testing, and lab-based cellular network emulators (e.g., Anritsu, Rohde & Schwarz, Keysight).
• Strong knowledge of GNSS systems: GPS, GLONASS, Galileo, BeiDou.
• Experience with GPS receiver validation, including TTFF (Time To First Fix), accuracy, sensitivity, and multipath mitigation.
• Familiarity with GPS simulation tools and signal generators (e.g., Spirent, Rohde & Schwarz).

Nice To Haves

• Experience with device certification for major carriers (AT&T, Verizon, T-Mobile, international operators).
• Familiarity with 3GPP test cases and conformance testing.
• Understanding of SAR, OTA, and regulatory requirements for cellular devices.
• Experience with troubleshooting network interoperability issues in multi-vendor environments.

Responsibilities

• Develop and execute test plans for RF validation (Cellular, Wi-Fi, Bluetooth, GPS, NFC) and regulatory standards (FCC, IC, CE, JP, KR).
• Operate and maintain advanced RF test stations and lab equipment.
• Build Python scripts for test automation, data analysis, and reporting.
• Generate clear, actionable validation reports for internal and external stakeholders.
• Communicate clearly and proactively with cross-functional partners, including RF architects, systems engineers, electrical design engineers, and factory test teams.
• Present findings and updates in meetings and written reports; document lessons learned and best practices.
• Effectively manage multiple stakeholder DRIs, drive alignment, resolve conflicts, and ensure timely delivery.
• Prioritize tasks, escalate blockers, and deliver results in a fast-paced environment.
• Mentor and coach team members, contributing to team growth and knowledge sharing.
• Demonstrate organizational efficiency by simplifying work, streamlining operations, and maintaining high standards of quality and inclusivity.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level